This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A111193 #11 Apr 11 2021 06:40:25
%S A111193 1,2,20,21,3087,3284
%N A111193 Numbers k such that floor(Pi^k + e^k) is prime.
%C A111193 No more terms through 10000.
%e A111193 floor(Pi^20 + e^20) = 9255121991 is prime, hence 20 is a term.
%t A111193 $MaxExtraPrecision = 10^6; Do[k = Floor[Pi^n + E^n]; If[PrimeQ[k], Print[n]], {n, 1, 10000}]
%Y A111193 Cf. A061675.
%K A111193 nonn,hard,more
%O A111193 1,2
%A A111193 _Ryan Propper_, Oct 23 2005